Clinical pathology diagnostic challenge: case #1

Signalment: mixed breed dog (Labrador/Doberman), 8 years old spayed female.
History: decreased appetite, frequent stools, absence of polyuria/polydipsia.
Physical exam observations: firm abdomen.

Two blood samples  were taken ( whole blood submitted in red-top tube, uncentrifuged, and purple-top tube)  and sent by mail to the regional laboratory for testing, where they arrived the following day. These results were obtained from the samples: